instance method `build`

Ruby on Rails 4.0.13

Since v3.0.20

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

build(app = nil, &block)

No documentation comment.

Parameters

app opt = nil
block block

Source

# File actionpack/lib/action_dispatch/middleware/stack.rb, line 115
    def build(app = nil, &block)
      app ||= block
      raise "MiddlewareStack#build requires an app" unless app
      middlewares.freeze.reverse.inject(app) { |a, e| e.build(a) }
    end

Defined in actionpack/lib/action_dispatch/middleware/stack.rb line 115 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActionDispatch::MiddlewareStack

Signature

Parameters